Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Category
Industrial Byproduct (Often Confused With Igneous Rocks Or Meteorites)
Browse industrial byproduct (often confused with igneous rocks or meteorites) specimens identified by the Rock Identifier community.
Learn about Industrial Byproduct (Often Confused With Igneous Rocks Or Meteorites) in the encyclopedia
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Schist
Mica Schist
metamorphic
Pyrite (Fools Gold)
Iron Disulfide (FeS2)
mineral
Magnetite (Lodestone variant potential)
Magnetite (Fe3O4)
mineral
Quartzite
Quartzite (primarily SiO2)
metamorphic
Native Copper in Basalt
Cuprum (with Host Basalt)
igneous
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Green Calcite
Calcium Carbonate (CaCO3)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Black Tourmaline (Schorl)
Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)
mineral
Rough Sapphire (Corundum)
Corundum (Al2O3)
mineral
Quartz Geode Fragment
Silicon Dioxide (SiO2)
mineral
Quartz Druzy / Quartz Crystal Cluster
Silicon Dioxide (SiO2)
mineral
Blue Sapphire
Corundum (Al2O3)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
River Pebble (Gneiss/Schist mix)
Metamorphic rock aggregate
metamorphic
Sandstone
Arenite
sedimentary
Granite
Phaneritic plutonic igneous rock (SiO2-rich)
igneous
Limestone with Calcite Crystals
Sedimentary Rock containing Calcium Carbonate (CaCO3)
sedimentary
Red Garnet
Almandine (Fe3Al2(SiO4)3) or Pyrope (Mg3Al2(SiO4)3)
mineral
Black Sand (Magnetite Sand)
Magnetite (Fe3O4)
mineral
Granite
Phaneritic Igneous Rock (composed mostly of Quartz, Feldspar, and Mica)
igneous
Granite
Granite (phaneritic intrusive felsic igneous rock)
igneous
Basalt (Glassy)
Basalt (Aphanitic-Glassy texture)
igneous
Quartz Geode
Silicon Dioxide (SiO2)
mineral
Citrine Quartz
Crystalline Quartz (SiO2 with iron impurities)
mineral
Eudialyte in Matrix
Eudialyte (Na4(Ca,Ce)2(Fe2+,Mn,Y)ZrSi8O22(OH,Cl)2)
mineral
Rough Green Fluorite
Fluorite (Calcium Fluoride - CaF2)
mineral
Basalt
Basalt (Aphanitic Mafic Volcanic Rock)
igneous
Pumice
Pumice (a highly vesicular, silicic volcanic rock)
igneous
Chalcedony (specifically Agate or Moonstone-like Quartz)
Silicon Dioxide (SiO2)
mineral
Aquamarine
Beryllium Aluminum Silicate (Be3Al2Si6O18)
gemstone
Pumice
Pumice (Volcanic glass / Felsic igneous rock)
igneous
Banded Agate
Chalcedony (Silicon Dioxide, SiO2)
sedimentary
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Peridotite (with Olivine)
Peridotite (rich in Olivine, (Mg,Fe)2SiO4)
igneous
Garnet (Almandine variety)
Almandine, Fe3Al2(SiO4)3
Mineral
Gold Ore in Quartz
Auriferous Quartz (Au + SiO2)
igneous
Magnetite (Iron Ore)
Magnetite (Fe3O4)
mineral
Quartz Geode (Cracked)
Silicon Dioxide (SiO2)
mineral
Granite
Granite (a common type of Felsic Intrusive Igneous Rock)
Igneous Rock
Gabbro
Phaneritic mafic intrusive igneous rock
igneous